package week05;

import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
class NameComparator implements Comparator<PersonSortable2>{
	public int compare(PersonSortable2 o1,PersonSortable2 o2) {
		return o1.getName().compareTo(o2.getName());
	}

}
class AgeComparator implements Comparator<PersonSortable2> {


	public int compare(PersonSortable2 o1, PersonSortable2 o2) {
		return o1.getAge() - o2.getAge();
	}
	
}
class PersonSortable2 {
	private String name;
	private int age;
	PersonSortable2(String name,int age) {
		this.name = name;
		this.age = age;
	}
	
	public String getName() {
		return name;
	}

	public int getAge() {
		return age;
	}

	@Override
	public String toString() {
		return name+"-"+age;
	}
}

public class week0502 {
	public static void main(String[] args) {
		Scanner in = new Scanner(System.in);
		int n = in.nextInt();
		PersonSortable2[] Per = new PersonSortable2[n];
		for(int i = 0;i<n;i++) {
			Per[i] = new PersonSortable2(in.next(),in.nextInt());
		}
		Arrays.sort(Per,new NameComparator());
		System.out.println("NameComparator:sort");
		for (PersonSortable2 personSortable2 : Per) {
			System.out.println(personSortable2);
		}
		Arrays.sort(Per,new AgeComparator());
		System.out.println("AgeComparator:sort");
		for (PersonSortable2 personSortable2 : Per) {
			System.out.println(personSortable2);
		}
		System.out.println(Arrays.toString(NameComparator.class.getInterfaces()));
		System.out.println(Arrays.toString(AgeComparator.class.getInterfaces()));
	}
}